[dm-crypt] dm-crypt vs Luks: What’s the difference on disk

Arno Wagner arno at wagner.name
Tue Aug 12 20:48:52 CEST 2014


Simple: plain dm-crypt is header-less.
More info in the FAQ, Section 6, in particular Items
6.11 and 6.12.

Arno


On Tue, Aug 12, 2014 at 15:11:18 CEST, Michael wrote:
> 
> Hi,
> 
> I was wondering why a plain dm-crypt partition looks like random
> data while with a Luks partition an attacker will know that the
> partition is encrypted. What is exactly the difference on disk? Is
> it the header that would tell someone thats an encrypted partition?
> Would a Luks partition with a detached header change this situation?
> 
> Thanks.
> -- 
> Regards,
> Michael

> pub  2048R/CF8EDAA3 2014-06-04 Michael G <michael at skrilnetz.net>
> sub  2048R/28ADE1E3 2014-06-04

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-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno at wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -  Plato


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